DTWAIN_SetPDFPageScaleString

The following function is available only with DTWAIN / PDF.

The DTWAIN_SetPDFPageScaleString sets the current page scale of the image acquired to PDF files.

DTWAIN_BOOL DTWAIN_SetPDFPageScaleString (

DTWAIN_SOURCE	Source,
LONG	PageScale,
LPCTSTR	CustomXScale,
LPCTSTR	CustomYScale );

Parameters

Source

An open TWAIN Source.

PageScale

The current scaling factor to apply to the acquired image.

CustomXScale

Custom x-scaling as a percent.

CustomYScaleHeight

Custom y-scaling as a percent.

Return Values

The return value is TRUE if successful. Otherwise FALSE is returned.

Comments

The DTWAIN_SetPDFPageScaleString function works exactly the same way as DTWAIN_SetPDFPageScale, with the exception of the LPCTSTR parameters, which are strings that denote the values to use.

For example:

DTWAIN_SetPDFPageScaleString( Source, DTWAIN_PDF_CUSTOMSCALE, "100", "80")

TWAIN State Transitions

The Source must be in State 4. or higher

Prerequisite Function Call(s)

DTWAIN_SysInitialize

DTWAIN Source Selection Function